NCERT · Class 11 · Physics · Kinetic TheoryWhat is the approximate value of Universal Gas Constant $R$ in SI units?
Step-by-Step Solution
The value of universal gas constant $R$ in SI units is $8.314\text{ J mol}^{-1}\text{K}^{-1}$.
Detailed Options Breakdown
Option : $1.38 \times 10^{-23}\text{ J/K}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Kinetic Theory.
Option 1: $8.314\text{ J mol}^{-1}\text{K}^{-1}$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: $6.022 \times 10^{23}\text{ mol}^{-1}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Kinetic Theory.
Option 3: $2.0\text{ cal mol}^{-1}\text{K}^{-1}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Kinetic Theory.
💡 Study Guide: This question tests core syllabus concepts from Kinetic Theory. For formulas, key summaries, and mock exam reference guides, read the full Kinetic Theory Revision Notes.